The labor super PAC Workers' Voice is blasting out mailers to half a million voters across the swing state map, targeting persuadable union members in some of the most competitive races in the country — including the battle for Connecticut's open Senate seat.

The labor super PAC Workers’ Voice is going after Mitt Romney’s record at the Olympics in a new advertising campaign, charging that he “steered millions to his Bain subsidiaries” while running the Salt Lake City Games.